EP0303929B1 - Dispositif pour la préparation de produits en matières thermoplastiques - Google Patents

Dispositif pour la préparation de produits en matières thermoplastiques Download PDF

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Publication number
EP0303929B1
EP0303929B1 EP88112875A EP88112875A EP0303929B1 EP 0303929 B1 EP0303929 B1 EP 0303929B1 EP 88112875 A EP88112875 A EP 88112875A EP 88112875 A EP88112875 A EP 88112875A EP 0303929 B1 EP0303929 B1 EP 0303929B1
Authority
EP
European Patent Office
Prior art keywords
cylinder
container
receiving container
extruder
wall
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Revoked
Application number
EP88112875A
Other languages
German (de)
English (en)
Other versions
EP0303929A2 (fr
EP0303929A3 (en
Inventor
Goetz Petschner
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Indupack AG
Original Assignee
Indupack AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25672154&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0303929(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Indupack AG filed Critical Indupack AG
Publication of EP0303929A2 publication Critical patent/EP0303929A2/fr
Publication of EP0303929A3 publication Critical patent/EP0303929A3/de
Application granted granted Critical
Publication of EP0303929B1 publication Critical patent/EP0303929B1/fr
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/04—Disintegrating plastics, e.g. by milling
    • B29B17/0412—Disintegrating plastics, e.g. by milling to large particles, e.g. beads, granules, flakes, slices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B13/00—Conditioning or physical treatment of the material to be shaped
    • B29B13/10—Conditioning or physical treatment of the material to be shaped by grinding, e.g. by triturating; by sieving; by filtering
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/285—Feeding the extrusion material to the extruder
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/363—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using non-actuated dynamic mixing devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/04—Disintegrating plastics, e.g. by milling
    • B29B2017/0424—Specific disintegrating techniques; devices therefor
    • B29B2017/048—Cutter-compactors, e.g. of the EREMA type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/285—Feeding the extrusion material to the extruder
    • B29C48/286—Raw material dosing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/62—Plastics recycling; Rubber recycling

Definitions

  • the present invention relates to a device for processing thermoplastic material, with a receptacle, in which a crushing and mixing tool, which rotates around the container axis, is arranged near its bottom and with which a screw extruder is in flow connection through an opening in its jacket.
  • the plastic material introduced into the receptacle of such devices from above is grasped, crushed and mixed by the comminution and mixing tool in the bottom region of the receptacle, with the material being heated.
  • the good parts are moved by the shredding and mixing tool on the one hand about the vertical axis of the receptacle along the container shell and on the other hand are subjected to a circulating movement in radial planes, so that, in addition to a good mixing effect, a favorable thermal efficiency can also be ensured.
  • the material prepared in this way is then to be continuously delivered to the screw extruder and discharged evenly.
  • both design variants are extremely unfavorable with regard to the plastic material circulating in the receptacle and do not permit uniform, continuous discharge.
  • the object of the present invention is now to remedy the above-mentioned disadvantages and to create a device of the aforementioned type which ensures that the screw extruder is fed continuously, without any problems and at all temperatures and speed of rotation.
  • the front loading opening of the cylinder prefferably flush with the inner wall of the receiving container, or for the front loading opening of the cylinder to protrude at least partially into the receiving container, the wall sections of the cylinder opposing the circulating flow in the receiving container being a guide wall for the deflection of the plastic material in the cylinder.
  • the training here can also be such that the free end of the extruder screw with respect to the front loading opening or. the guide wall of the cylinder is set back.
  • the cylinder widens in a funnel shape in its connection region that opposes the flow in the receiving container.
  • the device shown in FIGS. 1 and 2 consists essentially of a receptacle 5, in the vicinity of the bottom of which a comminution and mixing tool 6, which can be driven by a motor 7 and rotates about the container axis, is provided on the motor shaft 8. Above this Comminution and mixing tool 6 projects a screw extruder 3 with its front loading opening 4 into the receiving container 1.
  • the cylinder 2 of the screw extruder 3 surrounding the extruder screw 1 opens at least approximately tangentially to the inner wall 5 'of the receptacle 5 with its front loading opening 4.
  • this front loading opening 4 of the cylinder 2 at least partially protrudes into the receiving container 5, the wall sections 2 ′ of the cylinder 2 opposing the circulating flow in the receiving container 5 being a guide wall for the deflection of the Form plastic goods in the cylinder.
  • the arrangement can be such that the free end of the extruder screw 1 with respect to the front loading opening 4 or. the guide wall 2 'of the cylinder 2 is set back.
  • the cylinder 2 can expand in a funnel-shaped manner in its connection area opposing the flow in the receptacle 5, as illustrated in FIG. 3.
  • the main condition is the at least approximately tangential transition of the front Feed opening of the extruder barrel on the inner wall of the receptacle.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Crushing And Pulverization Processes (AREA)
  • Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)

Claims (5)

  1. Dispositif pour la préparation d'un produit en matière thermoplastique, avec un récipient de récupération, dans le fond duquel est disposé un outil mélangeur-broyeur rotatif autour de l'axe du récipient et avec lequel est reliée, pour la circulation, une extrudeuse à vis par l'intermédiaire d'une ouverture dans son enveloppe, caractérisé en ce que le cylindre (2) entourant la vis (1) d'extrudeuse de l'extrudeuse (3) à vis débouche d'une manière à peu près tangentielle dans la paroi interne 5' du récipient de récupération (5) par l'intermédiaire de son ouverture (4) de chargement sur la face frontale.
  2. Dispositif selon revendication 1, caractérisé en ce que l'ouverture (4) de chargement du cylindre (2) sur la face frontale affleure avec la paroi interne (5') du récipient de récupération (5).
  3. Dispositif selon revendication 1, caractérisé en ce que l'ouverture (4) de chargement du cylindre (2) sur la face frontale pénètre au moins partiellement dans le récipient de récupération (5), ce en quoi les sections (2') du cylindre (2) opposée au courant de circulation dans le récipient de récupération (5) forme une paroi conductrice pour le changement de direction du produit en matière plastique dans le cylindre.
  4. Dispositif selon revendication 3, caractérisé en ce que l'extrémité libre de la vis d'extrudeuse (1) concernant l'ouverture (4) de chargement ainsi que la paroi conductrice (2') du cylindre (2) sur la face frontale est décalée vers l'arrière.
  5. Dispositif selon l'une des revendications précédentes 1 à 4, caractérisé en ce que le cylindre (2) s'élargit en entonnoir dans sa zone de liaison opposée au courant dans le récipient de récupération (5).
EP88112875A 1987-08-18 1988-08-08 Dispositif pour la préparation de produits en matières thermoplastiques Revoked EP0303929B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH3174/87A CH673105A5 (fr) 1987-08-18 1987-08-18
CH3174/87 1987-08-18
CA 579123 CA1329386C (fr) 1987-08-18 1988-10-03 Appareil de traitement de materiaux thermoplastiques synthetiques

Publications (3)

Publication Number Publication Date
EP0303929A2 EP0303929A2 (fr) 1989-02-22
EP0303929A3 EP0303929A3 (en) 1990-03-14
EP0303929B1 true EP0303929B1 (fr) 1992-12-16

Family

ID=25672154

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88112875A Revoked EP0303929B1 (fr) 1987-08-18 1988-08-08 Dispositif pour la préparation de produits en matières thermoplastiques

Country Status (9)

Country Link
US (1) US4894001A (fr)
EP (1) EP0303929B1 (fr)
KR (1) KR960010115B1 (fr)
AT (1) ATE83429T1 (fr)
BR (1) BR8804156A (fr)
CA (1) CA1329386C (fr)
CH (1) CH673105A5 (fr)
DE (1) DE3876715D1 (fr)
ES (1) ES2036634T3 (fr)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT387747B (de) * 1986-10-10 1989-03-10 Erema Vorrichtung zum aufbereiten von kunststoffgut
JPH0628244Y2 (ja) * 1990-02-09 1994-08-03 駿河精機株式会社 発泡プラスチックの減容機
US5145617A (en) * 1990-10-15 1992-09-08 Duro-Last, Inc. Method of processing scrap roof-membrane sheet material comprising a flexible synthetic fabric substrate enveloped in a thermoplastic plastic envelope
IT1252103B (it) * 1991-11-27 1995-06-02 Gpw Macchine S A S Di Giuseppe Pompa per materiali solidi particellari
AT396900B (de) * 1992-03-19 1993-12-27 Erema Vorrichtung zum vorbehandeln von thermoplastischem kunststoff
US5310569A (en) * 1992-12-03 1994-05-10 Rykaart, Inc. Method for producing a stress free continuous dough stream
US5783225A (en) * 1993-12-21 1998-07-21 Bacher; Helmut Apparatus for processing thermoplastic synthetic plastics material
AT405726B (de) * 1995-04-11 1999-11-25 Bacher Helmut Vorrichtung zum aufbereiten thermoplastischen kunststoffgutes
DE29707400U1 (de) * 1997-04-24 1997-07-10 Battenfeld Gmbh Vorrichtung zum Plastifizieren von Kunststoffen
US6277314B1 (en) 1998-02-04 2001-08-21 Flextech Packaging, Ltd. System and method for producing polymeric film
AT407970B (de) * 1999-06-02 2001-07-25 Bacher Helmut Vorrichtung und verfahren zum aufbereiten von, insbesondere thermoplastischem, kunststoffmaterial
AT407972B (de) * 1999-12-02 2001-07-25 Bacher Helmut Vorrichtung zum vorbehandeln und anschliessenden plastifizieren oder agglomerieren von kunststoffen
AT411038B (de) * 2002-06-10 2003-09-25 Bacher Helmut Vorrichtung zur behandlung von kunststoffgut
AT413512B (de) * 2003-06-05 2006-03-15 Helmut Bacher Vorrichtung zur aufbereitung von kunststoffmaterial zu recyclingzwecken
EP2316562A1 (fr) 2009-10-29 2011-05-04 Bühler AG Dispositif et procédé destinés au traitement d'un produit en vrac
AT512145B1 (de) 2011-10-14 2015-02-15 Erema Vorrichtung zum aufbereiten von kunststoffmaterial
AT512148B1 (de) 2011-10-14 2015-02-15 Erema Vorrichtung zum aufbereiten von kunststoffmaterial
AT512208B1 (de) 2011-10-14 2015-02-15 Erema Vorrichtung zum aufbereiten von kunststoffmaterial
AT512209B1 (de) 2011-10-14 2015-02-15 Erema Vorrichtung zum aufbereiten von kunststoffmaterial
AT512223B1 (de) 2011-10-14 2015-02-15 Erema Vorrichtung zum aufbereiten von kunststoffmaterial
AT512222B1 (de) 2011-10-14 2015-02-15 Erema Vorrichtung zum aufbereiten von kunststoffmaterial
AT512147B1 (de) * 2011-10-14 2015-02-15 Erema Vorrichtung zum aufbereiten von kunststoffmaterial
AT512205B1 (de) 2011-10-14 2015-02-15 Erema Vorrichtung zum aufbereiten von kunststoffmaterial
AT512149B1 (de) 2011-10-14 2015-02-15 Erema Vorrichtung zum aufbereiten von kunststoffmaterial
AT512146B1 (de) 2011-10-14 2015-02-15 Erema Vorrichtung zum aufbereiten von kunststoffmaterial
AT512207B1 (de) 2011-10-14 2015-02-15 Erema Vorrichtung zum aufbereiten von kunststoffmaterial

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3155376A (en) * 1959-10-17 1964-11-03 Werner & Pfleiderer Mixing and agglomerating device for thermoplastic material
DE2224209A1 (de) * 1972-05-18 1973-12-06 Buckau Wolf Maschf R Vorrichtung zum auswerfen von schnitzeln aus einem diffusionsturm
US4222728A (en) * 1978-03-02 1980-09-16 Krauss-Maffei Austria Gesellschaft M.B.H. Apparatus for processing synthetic thermoplastic material
US4460277A (en) * 1980-07-31 1984-07-17 Oesterreichische Schiffswerften Aktiengesellschaft Apparatus for processing synthetic thermoplastic material

Family Cites Families (10)

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US409348A (en) * 1889-08-20 William r
CH453257A (de) * 1965-05-28 1968-06-14 Buehler Ag Geb Teigwarenpresse
DE1745532C3 (de) * 1967-05-19 1974-12-05 Davy International Ag, 6000 Frankfurt Polykondensationsreaktor
US3548903A (en) * 1968-07-03 1970-12-22 Hollymatic Corp Subdivided meat mixer and method
DE2052031A1 (en) * 1970-10-23 1971-11-11 Herfeld Kg Dr Combined thermoplastics mixer and extruder
US3920229A (en) * 1972-10-10 1975-11-18 Pcl Ind Limited Apparatus for feeding polymeric material in flake form to an extruder
DE8104051U1 (de) * 1981-02-14 1982-06-16 Thyssen Industrie Ag, 4300 Essen Mischer zum kontinuierlichen mischen von koernigen bis pulverfoermigen materialien
AT375867B (de) * 1983-04-27 1984-09-25 Erema Vorrichtung zum aufbereiten von thermoplastischem kunststoffgut
AT385234B (de) * 1984-08-01 1988-03-10 Paracon Extrusionstech Gmbh Vorrichtung zum aufbereiten von thermoplastischem kunststoffgut
AT387747B (de) * 1986-10-10 1989-03-10 Erema Vorrichtung zum aufbereiten von kunststoffgut

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3155376A (en) * 1959-10-17 1964-11-03 Werner & Pfleiderer Mixing and agglomerating device for thermoplastic material
DE2224209A1 (de) * 1972-05-18 1973-12-06 Buckau Wolf Maschf R Vorrichtung zum auswerfen von schnitzeln aus einem diffusionsturm
US4222728A (en) * 1978-03-02 1980-09-16 Krauss-Maffei Austria Gesellschaft M.B.H. Apparatus for processing synthetic thermoplastic material
US4460277A (en) * 1980-07-31 1984-07-17 Oesterreichische Schiffswerften Aktiengesellschaft Apparatus for processing synthetic thermoplastic material

Also Published As

Publication number Publication date
US4894001A (en) 1990-01-16
KR890003509A (ko) 1989-04-15
EP0303929A2 (fr) 1989-02-22
KR960010115B1 (ko) 1996-07-26
ATE83429T1 (de) 1993-01-15
BR8804156A (pt) 1989-03-14
EP0303929A3 (en) 1990-03-14
DE3876715D1 (de) 1993-01-28
US4894001B1 (fr) 1993-07-13
ES2036634T3 (es) 1993-06-01
CA1329386C (fr) 1994-05-10
CH673105A5 (fr) 1990-02-15

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